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From: Warren <ve3wwg@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: Autoconf & gnat Help Needed
Date: Fri, 23 Apr 2010 13:44:11 +0000 (UTC)
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Stephen Leake expounded in news:82ochamzq1.fsf@stephe-leake.org:

> Warren <ve3wwg@gmail.com> writes:
>> Stephen Leake expounded in news:82sk6nn4vn.fsf@stephe-leake.org:
>>> Warren <ve3wwg@gmail.com> writes:
>>> 
>>>> Has anyone here had experience using GNAT with autoconf/automake?
>>> 
>>> My advice is to stop using the autotools, and use gprbuild instead.
>>> 
>>> gprbuild knows how to build C libraries and link them with Ada. It 
can
>>> also use a C main, if necessary.
>>
>> Unfortunately, there is more to this than just the build. 
>> I am mostly concerned about the ./configure and the generated
>> config.h file.  Autoconf is critical for wide platform support.
> 
> Apparently you have source code in C as well as Ada? My sympathies :).

For a basic interpreter, making use of ncurses, libgmp, libgsl, 
and PostgreSQL etc., it is unavoidable. :)  I tried to avoid C++
like the plague, but ncurses requires a C++ main, if GNAT exceptions
are to work correctly. I'm not sure of the details why, but a GNAT
exception + ncurses and a C or gnat main leads to an abort. 
Switching to a C++ main program has corrected that.

>> I still need to use the libtool's library libtdl (I think it was), but
>> that shouldn't be a problem. 
> 
> I'm not familiar with that tool; what does it do?

It's main claim to fame is to provide a uniform way of dealing
with shared libraries and dlls on a given platform. I mainly 
need the libtool's library for working with dynamic library 
loading in a platform neutral way, which it does very well.
I may need to create shared library components down the
road, but that is on hold for now.

>> That way I can still use make (gmake), as I have always done.
> 
> I always run gprbuild from Gnu make.

As you can see from my other post yesterday, I did manage to
get things working. I posted the relevant details.

Warren